A sheath formed within node of a stem by the fusion of two stipules, as with the rhubarb plant.
A sheath around a plant stem developing from the stipule of a leaf and extending above the point of insertion for the leaf.
In botany, a sheathing stipule, or a pair of stipules united into a sheath all over stem, like a legging or even the leg of a boot; also occasionally, in mosses, the slim sheath around the seta, terminating the vaginula.
In zoology, a sheath; an investing part like or likened to an ocrea of a plant. In addition, erroneously, ochrea.
A theory or system of social reform which contemplates a complete reconstruction of society with a more just and equitable distribution of property and labor In popular usage the term is often employed to indicate any lawless revolutionary social scheme See Communism Fourierism Saint Simonianism forms of socialism...